@echo off
echo V2
c:

if exist "%ProgramFiles%\Handbrake\" goto prog_reg
if exist "%ProgramFiles(x86)%\Handbrake\" goto prog_alt
:: Can't find Handbrake in the regular directories
echo Error: Handbrake not found!
pause
goto eof

:prog_alt
cd "%ProgramFiles(x86)%\Handbrake\"
goto recode

:prog_reg
cd "%ProgramFiles%\Handbrake\"
goto recode

:recode
dir "%1\*.*" /b  > "%~dp1\dir.txt"
dir "%1" > "%1\..\before.txt"
mkdir "%1\recoded"
FOR /F "delims=/" %%D in (%~dp1\dir.txt) do (
 HandBrakeCLI --format av_mp4 --encoder x264 --vb 400  --two-pass --turbo --crop 0:0:0:0 --aencoder av_aac --ab 64 -i "%1\%%D" -o "%1\recoded\%%D"
del "%1\%%D" /Q /F
move "%1\recoded\%%D" "%1\"

)

del "%~dp1\dir.txt" /Q /F
rmdir "%1\recoded" /Q /S
dir "%1\" > "%1\..\after.txt"

:eof